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Merge pull request #291 from dtischler/main
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dtischler authored Aug 11, 2023
2 parents eb3aa77 + 57fc073 commit 4713b07
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162 changes: 0 additions & 162 deletions archived/monitoring-checkout-lines.md

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4 changes: 2 additions & 2 deletions arduino-portenta-h7-self-driving-rc-car.md
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Expand Up @@ -48,15 +48,15 @@ Have fun with the RC car: Without breaking it, charge the battery and drive it a

### 3. Find Objects to Track

To train your model, you need to find objects to track. You can use double-sided black circles on photocopy paper and cut them out. Here is a [printable version you can use](../media/eyes-pdf.pdf)
To train your model, you need to find objects to track. You can use double-sided black circles on photocopy paper and cut them out. Here is a [printable version you can use](.gitbook/assets/arduino-portenta-h7-self-driving-rc-car/eyes-pdf.pdf)

![](.gitbook/assets/arduino-portenta-h7-self-driving-rc-car/eyes.png)

### 4. Build the Frame

![](.gitbook/assets/arduino-portenta-h7-self-driving-rc-car/framepng.png)

3D print the car frame [using the provided STL file](../media/rc-Car-frame28-22degrees-V28-22-degrees.stl) or these smaller prints [Frame Front](../media/rc-Car-frame27-bread-front.stl) and [Frame Back](../media/rc-Car-frame27-bread-back.stl), or make your own with wood or cardboard. Make sure to attach the Portenta H7 with LoRa vision shield on the car (check the image to see which way the Portenta is oriented with the USB cable. The USB cable should protrude to the right of the car) along with a USB-C cable with a battery pack, and attach it to the car while it still has the RC components working. This allows you to drive the car while taking lots of images on the SD card. You will need [this Arduino program](https://github.com/hpssjellis/portenta-pro-community-solutions/blob/main/examples/dot3-portenta-vision-shields/dot36-camera-png-to-web/dot362-png-to-sd-card/dot362-png-to-sd-card.ino) flashed to the board for data collection. Note line 75 `int myDelay = 10000;` sets a variable to take an image every 10 seconds. Change that number to about 500 to take lots of .PNG pictures. Depending on how well the Portenta SD Card fits you might get several bad photos. An easy solution is to just take many more photos. You might want to attach sunglasses in front of the camera if reflections are a problem when using the car inside.
3D print the car frame [using the provided STL file](.gitbook/assets/arduino-portenta-h7-self-driving-rc-car/rc-Car-frame28-22degrees-V28-22-degrees.stl) or these smaller prints [Frame Front](.gitbook/assets/arduino-portenta-h7-self-driving-rc-car/rc-Car-frame27-bread-front.stl) and [Frame Back](.gitbook/assets/arduino-portenta-h7-self-driving-rc-car/rc-Car-frame27-bread-back.stl), or make your own with wood or cardboard. Make sure to attach the Portenta H7 with LoRa vision shield on the car (check the image to see which way the Portenta is oriented with the USB cable. The USB cable should protrude to the right of the car) along with a USB-C cable with a battery pack, and attach it to the car while it still has the RC components working. This allows you to drive the car while taking lots of images on the SD card. You will need [this Arduino program](https://github.com/hpssjellis/portenta-pro-community-solutions/blob/main/examples/dot3-portenta-vision-shields/dot36-camera-png-to-web/dot362-png-to-sd-card/dot362-png-to-sd-card.ino) flashed to the board for data collection. Note line 75 `int myDelay = 10000;` sets a variable to take an image every 10 seconds. Change that number to about 500 to take lots of .PNG pictures. Depending on how well the Portenta SD Card fits you might get several bad photos. An easy solution is to just take many more photos. You might want to attach sunglasses in front of the camera if reflections are a problem when using the car inside.

### 5. Train the Model

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2 changes: 1 addition & 1 deletion audio-recognition-on-silabs-xg24.md
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Expand Up @@ -46,7 +46,7 @@ This action will copy all the collected data, generated features, and model para

Now if you navigate to "Create impulse" from the left menu, you will see how the model was created originally.

![](.gitbook/assets/audio-recognition-on-silabs-xg24/edge_impulse_design.png)
![](.gitbook/assets/audio-recognition-on-silabs-xg24/edge_impulse_design.jpg)

As you can see, the model was created based on audio data sampled at 16KhZ. As mentioned, because the audio microphones used on the both board boards are the same, we're not required to collect any additional data from the new board.

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